Home / 13,359.48-20,033.64-3,996.12

Finding the Fourth Proportional to 13,359.48, 20,033.64 and 3,996.12

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Solution

The fourth proportional to 13,359.48, 20,033.64 and 3,996.12 is: 5,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.48 : 20,033.64 = 3,996.12 : x
  2. Step 2: Convert to fraction form
    13,359.48/20,033.64 = 3,996.12/x
  3. Step 3: Cross multiply
    13,359.48x = 20,033.64 × 3,996.12
  4. Step 4: Simplify right side
    13,359.48x = 80,056,829.48
  5. Step 5: Solve for x
    x = 80,056,829.48/13,359.48
  6. Step 6: Final answer
    x = 5,992.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.